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1. Where in the cell do the Krebs cycle and electron transport chain occur?
a) Mitochondria Correct Answer:
b) Nucleus
c) Cytoplasm
d) Lysosome
2. The calcaneus is an example of what type of bone?
a) Irregular bone
b) Flat bone
c) Short bone Correct Answer:
d) Long bone
3. What is the condition of low blood pressure measuring 90/60 mm Hg or
less?
a) Elevated blood pressure
b) Hypotension Correct Answer:
, c) Hypertension
d) Normal blood pressure
4. Which endocrine hormone promotes the release of glucose from the liver
and into the bloodstream?
a) Cortisol
b) Aldosterone
c) Glucagon Correct Answer:
d) Insulin
5. What term is described as the volume of blood the left ventricle pushes out
in a single heartbeat?
a) Ventricle rate
b) Cardiac output
c) Heart rate
d) Stroke volume Correct Answer:
6. What muscle fiber arrangement can be seen in the soleus muscle?
a) Convergent muscle
b) Fusiform muscle
c) Circular muscle
d) Bipennate muscle Correct Answer:
7. Which type of blood cells make up approximately 40 percent of blood
volume?
a) Red blood cells Correct Answer:
b) White blood cells
c) Platelets
d) Plasma
8. Which classification of neurons communicates tactile, auditory, and visual
information?
a) Interneurons
b) Motor neurons
c) Sensory neurons Correct Answer:
d) Dendrites
,9. Which type of neuron sends information from the central nervous system to
the muscles to generate movement?
a) Auditory neuron
b) Afferent neuron
c) Efferent neuron Correct Answer:
d) Interneuron
10.Muscle cells contain which cellular fluid that is NOT a part of other human
cells?
a) Nucleus
b) Cytoplasm
c) Sarcoplasm Correct Answer:
d) Mitochondria
11.Which type of muscle fiber derives its energy primarily from aerobic energy
pathways?
a) Type IIx muscle fibers
b) Type IIb muscle fibers
c) Type IIa muscle fibers
d) Type I muscle fibers Correct Answer:
12.Which of the following is an effect of short-term cortisol elevation in the
body?
a) Increases appetite
b) Increases blood pressure Correct Answer:
c) Reduces inflammation
d) Promotes weight gain
13.In the ATP/CP energy pathway, what molecule lends a phosphate group to
ADP to regenerate ATP for future energy needs?
a) Adenosine monophosphate (AMP)
b) Creatine phosphate (CP) Correct Answer:
c) Glycogen
d) Fatty acids
14.Which of the following is a common site to measure the pulse in humans?
a) Radial artery Correct Answer:
, b) Jugular vein
c) Ulnar artery
d) Brachial artery
15.Which type of muscle is the primary muscle tissue found in human organs?
a) Skeletal muscle
b) Cardiac muscle
c) Smooth muscle Correct Answer:
d) Autonomic muscle
16.During pulmonary circulation, which heart valve does blood pass through
first?
a) Mitral valve
b) Aortic valve
c) Bicuspid valve
d) Tricuspid valve Correct Answer:
17.In the alveoli of the lungs, air crosses into and out of the capillaries by what
process?
a) Perfusion
b) Diffusion Correct Answer:
c) Osmosis
d) Vaporization
Lactic acid has been found to have many functions in the body, including which of
the following?
a)
It may cause fatigue of the cardiac muscle and brain in high concentrations
b)
It may speed up digestion and absorption of macronutrients in the small intestines
c)
It may not be a preferred source of energy for the mitochondria during intense
activity