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BIOS 255 Week 7 Comprehensive
Kahoot Exam Questions With Correct
Answers 2025’
which is the best example of a mechanism that contains a positive feedback loop? blood clotting what surrounds a synovial joint, encloses synovial cavity, & unites the articulating bones? articular capsule the ___ component of connective tissue is found between the cells and fibers, & binds cells ground substance what consists of five fused sacral vertebrae? sacrum layer of dead skin filled with sacs of keratin stratum corneum
what are the types of connective tissue fiber? collagenous, reticular, & elastic where do you find apocrine sweat glands? armpits, groin, areola which bones contribute to the hard palate? maxillae & palatine what do osteoclasts do? dissolve bone a sarcomere is : the contractile unit between two Z lines what is the first step in muscle contraction? motor neuron sends nerve impulses to the muscle depolarization of the action potential is due to :
Answer: C primary motor cortex is found in what lobe? frontal lobe the vagus nerve : carries parasympathetic fibers to the thoracic & abdominal organs the role of the sympathetic nervous system is to : prepare the body for action - fight or flight light passing through the lens of the eye is focused on the : fovea centralis on its way to the cones and rods of the eye, (in order) light passes through cornea, aqueous humor, pupil lens, vitreous humor a typical male hematocrit is : 45
the tunica media of blood vessels is composed of which tissue? smooth muscle plasma protein in blood cap helps maintain the colloid osmotic pressure drawing fluid ___ the blood back into which of the following factors will increase the net filtration pressure to move fluid out of the capillaries? A. increased tissue colloid osmotic pressure B. increased blood hydrostatic pressure C. decreased plasma albumin D. all of the above Answer: B which of the following would decrease mean arterial blood pressure? A. increased peripheral resistance B. increased blood volume C. dilation of the arterioles D. constriction of arterioles
semilunar valves QRS complex represents : the depolarization of the right & left ventricles stroke volume is volume of blood pumped out of ventricle with each heart beat stroke volume is regulated by : preload & afterload what is cardiac cycle? the complete sequence of events in a heartbeat which stage of the cardiac cycle does (D) correspond to? ventricular systole which stage of the cardiac cycle (C) correspond to?
helper T cells stimulate B cells to become plasma cells Helper, cytotoxic, & memory cells : make up the cell-mediated response active immunity is: when your body makes its own antibodies to fight antigens which of these are features of the secondary immune response? shorter latent period, higher antibody concentration the amount of air involved the deepest inhalation followed by the most forceful exhalation is? vital capacity external respiration is: the exchange of O2 & CO2 between the alveoli & pulmonary capillaries
