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EEOB 2520 Exam Study questions with 100% Correct Answers
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EEOB 2520 Exam Study questionswith 100% Correct Answers
Which blood functions are controlled through the autonomic nervous system? -
ANSWER 1,2,3,4
Which of the following is not an example of a regulated homeostatic variable?
- ANSWER adrenal medulla
The pupillary reflex is a response to bright light that is shined into eyes. Which word
set below describes the pupillary reflex? - ANSWER It is cranial, autonomic, and innate
Which of the following statements describe activity that occurs in white matter who in
the central nervous system? - ANSWER An action potential is propagated at a rate
of 100 m/s along the length of an axon
Damage to hair cells near the local window may lead an ___ - ANSWER Reduced
ability to hear pitched sounds
Cortisol is an important steroid hormone that regulates the body's response to
stress. Which of the following is the correct hypothalamic-pituitary pathway to
stimulate the release of the cortisol? - ANSWER CRH>ACTH>adrenal cortex
The iron contacting molecule in hemoglobin is called ___ and it binds ____ - ANSWER
Heme;oxygen
What is the functional unit of the respiratory system - ANSWER alveolus
, What are the four major components of blood? - ANSWER plasma,
erythrocytes, platelets, leukocytes
Valves, which are found _____________, keep blood flowing in one direction, thereby
facilitating the return of blood to the heart. - ANSWER only in peripheral veins
The general pattern of blood flow follows which sequence of vessels as it leaves the
heart - ANSWER arteries, arterioles, capillaries, venules, veins
Action potentials in the myocardium are initiated by ___ in the ___ - ANSWER
Pacemaker cells; SA node
Which of following is a feature of the respiratory membrane that allows for rapid gas
exchange between alveoli and blood? - ANSWER fused basement membrane
between cells
The ___transports blood from the right heart to lung to deliver CO2 and pick up O2
and the ___transports blood from the left heart to body tissues to deliver O2 and pick
up CO2 - ANSWER pulmonary circuit; systemic circuit
In the lungs, type 2 alveolar cells produce a surfactant which - ANSWER Reduces the
surface tension of water molecules within the alveoli
The transition from the conducting o the respiring zone in the lungs occurs at the
- ANSWER Respiratory bronchioles
When the body is at rest, most of the total blood volume is present within the -
ANSWER systemic veins
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