Docsity
Log inSign up
Docsity
Prepare for your exams
Prepare for your exams

Study with the several resources on Docsity

Earn points to download
Earn points to download

Earn points by helping other students or get them with a premium plan

Guidelines and tips
Guidelines and tips
Sell on Docsity
Sell on Docsity
Log inSign up

Prepare for your exams

Study with the several resources on Docsity

Find documents

Prepare for your exams with the study notes shared by other students like you on Docsity

Search Store documents

The best documents sold by students who completed their studies

Search through all study resources
Docsity AINEW

Summarize your documents, ask them questions, convert them into quizzes and concept maps

Explore questions

Clear up your doubts by reading the answers to questions asked by your fellow students

Earn points to download

Earn points by helping other students or get them with a premium plan

Share documents
download point icon20 Points

For each uploaded document

Answer questions
download point icon5 Points

For each given answer (max 1 per day)

All the ways to get free points
Get points immediately

Choose a premium plan with all the points you need

Study Opportunities

Choose your next study program

Get in touch with the best universities in the world. Search through thousands of universities and official partners

Community

Ask the community

Ask the community for help and clear up your study doubts

University Rankings

Discover the best universities in your country according to Docsity users

Free resources

Our save-the-student-ebooks!

Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors

From our blog

Exams and Study
Go to the blog

BIO 235 Exam 2 With 100% Correct Answers 2025/2026, Exams of Biology

American University (AU)Biology

Prefrontal cortex (frontal lobe) - Correct Answer-decision making, reasoning & critical thinking precentral gyrus (primary motor cortex) - Correct Answer-controls movements Broca's area (frontal lobe) - Correct Answer-motor function of speech production (jaw, lips, tongue coordination) Areas of the frontal lobe - Correct Answer-precentral gyrus, prefrontal cortex, Broca's area postcentral gyrus (primary somatosensory cortex) - Correct Answer-sensing touch and proprioception visual cortex in occipital lobe - Correct Answer-vision

Typology: Exams

2024/2025

Available from 06/19/2025

tizian-kylan
tizian-kylan 🇺🇸

2.7

(21)

3.8K documents

1 / 4

Toggle sidebar

This page cannot be seen from the preview

Don't miss anything!

bg1
BIO 235 Exam 2 With 100% Correct
Answers 2025/2026
Prefrontal cortex (frontal lobe) - Correct Answer-decision making, reasoning & critical
thinking
precentral gyrus (primary motor cortex) - Correct Answer-controls movements
Broca's area (frontal lobe) - Correct Answer-motor function of speech production (jaw,
lips, tongue coordination)
Areas of the frontal lobe - Correct Answer-precentral gyrus, prefrontal cortex, Broca's
area
postcentral gyrus (primary somatosensory cortex) - Correct Answer-sensing touch and
proprioception
visual cortex in occipital lobe - Correct Answer-vision
parietal lobe - Correct Answer-postcentral gyrus
temporal lobe - Correct Answer-hearing
Wernicke's area - Correct Answer-understanding speech but speaking in word salad
The limbic system - Correct Answer-emotion, regulating functions
Thalamus - Correct Answer-Integrating sensory information and processing
Hypothalamus - Correct Answer-Regulating endocrine & autonomic nervous system to
reach homeostasis
olfactory bulb - Correct Answer-smell sensory (does not go thru thalamus)
Hippocampus - Correct Answer-memory integration & formation of long-term memories
Amygdala - Correct Answer-fight or flight, involved in fear + anger + stress response
brain stem - Correct Answer-responsible for cardio + respiratory center
Cerebellum - Correct Answer-Balance, coordination & equilibrium
pf3
pf4

Partial preview of the text

Download BIO 235 Exam 2 With 100% Correct Answers 2025/2026 and more Exams Biology in PDF only on Docsity!

BIO 235 Exam 2 With 100% Correct

Answers 2025/20 26

Prefrontal cortex (frontal lobe) - Correct Answer-decision making, reasoning & critical thinking precentral gyrus (primary motor cortex) - Correct Answer-controls movements Broca's area (frontal lobe) - Correct Answer-motor function of speech production (jaw, lips, tongue coordination) Areas of the frontal lobe - Correct Answer-precentral gyrus, prefrontal cortex, Broca's area postcentral gyrus (primary somatosensory cortex) - Correct Answer-sensing touch and proprioception visual cortex in occipital lobe - Correct Answer-vision parietal lobe - Correct Answer-postcentral gyrus temporal lobe - Correct Answer-hearing Wernicke's area - Correct Answer-understanding speech but speaking in word salad The limbic system - Correct Answer-emotion, regulating functions Thalamus - Correct Answer-Integrating sensory information and processing Hypothalamus - Correct Answer-Regulating endocrine & autonomic nervous system to reach homeostasis olfactory bulb - Correct Answer-smell sensory (does not go thru thalamus) Hippocampus - Correct Answer-memory integration & formation of long-term memories Amygdala - Correct Answer-fight or flight, involved in fear + anger + stress response brain stem - Correct Answer-responsible for cardio + respiratory center Cerebellum - Correct Answer-Balance, coordination & equilibrium

afferent (sensory) neurons - Correct Answer-Dorsal horn, to brain, down central horn of spinal cord, to effectors efferent (ventral) - Correct Answer-motor Reflex arc (communicates with spinal cord; NOT BRAIN) - Correct Answer-sensory receptor, sensory neuron, motor neuron, and effector that are involved in a quick response to a stimulus Senses (afferent division) - Correct Answer-Stimuli providing information signal transduction - Correct Answer-Conversion of a stimulus into a chemical signal gustation and olfaction - Correct Answer-chemical receptors (salty, sweet, bitter, sour, umami) Vibrations in hearing - Correct Answer-Will transduce into chemical and electrical signals Sound travels from - Correct Answer-Sound waves in outer ear —> middle ear —> eardrum vibrates —> stapes malleus & incus vibrate & send message to inner ear —> hits cochlea lined with hair cells & responds to sound —> triggers neurotransmitters —> electrical signals sent by auditory nerve to brain & interpreted. Vision: Phototransduction - Correct Answer-Converting photons (light receptors) into electrical & chemical signals Hearing relies on - Correct Answer-Mechanoreceptors (hair cells) Photoreceptors - Correct Answer-rods (dim lighting) and cones (bright light & color vision) What is the consequence of Na & K channels opening in darkness? - Correct Answer- Rod is depolarizing (-40mv) & neurotransmitters release In the light (rods) - Correct Answer-Photons break down rhodopsin into opsin & retinal —> porin closes Na channels What will happen to the membrane potential if the Na channels close (in light) - Correct Answer-Repolarization, decrease in neurotransmitter release Recovery (rods) - Correct Answer-Retinal recombined with opsin to make rhodopsin —> Na channels open again Where does retinal come from? - Correct Answer-Vitamin A in diet

Varicosities - Correct Answer-Autonomic postganglionic axons end with a series of swollen areas Varicosities contain - Correct Answer-Vesicles filled with neurotransmitters somatic motor neurons - Correct Answer-Single neuron that originates in the CNS & projects it's axon to the target tissue (skeletal muscle) In somatic motor neurons the - Correct Answer-Branch closest to the target into a cluster of axon terminals that lie on the surface of the skeletal muscle fiber When a synapse occurs in the somatic motor neuron - Correct Answer-It is called a neuromuscular junction In a nicotinic cholinergic receptor - Correct Answer-ACh needs to bind in order for a nonspecific monovalent cation to pass through (Na or K) resulting in depolarization of membrane in skeletal muscle Cell membrane in skeletal muscle - Correct Answer-Sarcolemma cytoplasm of skeletal muscle - Correct Answer-sarcoplasm Endoplasmic reticulum in skeletal muscle - Correct Answer-sarcoplasmic reticulum T-tubules connect - Correct Answer-neuromuscular junction to other muscle fiber structures T-tubules are found in the - Correct Answer-Sarcolemma Depolarization in T-tubules leads to - Correct Answer-DHPR opens Ryanodine receptors (calcium channel) on the sarcoplasmic reticulum thick filaments - Correct Answer-myosin thin filaments - Correct Answer-actin excitation-contraction coupling - Correct Answer-calcium binds to tropinin —> removes the blocking action of tropomyosin —> myosin able to bind to active binding site on actin Cross bridge cycle - Correct Answer-ATP binds to myosin head —> hydrolysis of ATP into ADP + Pi allowing myosin to WEAKLY bind to actin —> power stroke happens when Pi is released and myosin pulls actin —> ADP released from myosin head Factors that can increase the force of skeletal muscle contraction - Correct Answer- Large # of muscle fibers recruited, large muscle fibers, high frequency of stimulation, muscle & sarcomere stretch over 100% of resting length