1. All sensory signals, except those from the olfactory system, are transmitted though the central nervous system...
Question:
1. All sensory signals, except those from the olfactory system, are transmitted though the central nervous system and are routed to the and to the appropriate region of the cortex.
a. Thalamus
b. Medulla
c. Pons
d. Hypothalamus
2. How would muscle contractions be affected if ATP were completely depleted in a muscle fiber?
a. Muscles would remain rigidly contracted
b. ATP must be available for the myosin cross-bridge release
c. A &B are true
d. A & B are false
3. The lobe contains the visual cortex.
a. Frontal
b. Parietal
c. Temporal
d. Occipital
4. Which of the following are considered steroid hormones?
a. Estradiol
b. Testosterone
c. Cholesterol
d. B & C
e. All of the above
5. The phrase “all-or-nothing” is used to describe which of the following:
a. Action Potential
b. Positive Feedback Loop
c. Enzyme-Substrate Relationship
d. Negative Feedback Mechanisms
6. Which of the following is/are an example of peptide hormones:
a. Oxytocin
b. ADH
c. Melatonin
d. A & B
e. All of the above
7. Burning your epidermis would most likely burn which receptor type?
a. Free nerve endings
b. Ruffini endings
c. Pacinian corpuscle
d. Hair receptors
8. Which of the following statements is false?
a. Slowing of the heartbeat is a parasympathetic response.
b. Parasympathetic neurons are responsible for releasing
norepinephrine on the target organ, while sympathetic neurons are
responsible for releasing acetylcholine.
c. Most preganglionic neurons in the sympathetic pathway originate in
the spinal cord.
d. The parasympathetic pathway is responsible for relaxing the body,
while the sympathetic pathway is responsible for preparing for an
emergency.
e. All of the above are true
9. Epinephrine and norepinephrine bind to ___________ on the plasma
membrane of cells.
a. alpha-adrenergic receptors
b. Beta-adrenergic receptors
c. G-proteins
d. cAMP
10. Hormones can bind to _________ to modulate gene transcription.
a. Up-regulators
b. Down-regulators
c. Translocators
d. Intracellular hormone receptors
e. None of the above