Which hormone causes the milk ejection (milk let-down) reflex?
A) prostaglandins
B) human placental lactogen
C) prolactin
D) placental prolactin
E) oxytocin
Answer: E
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An injury called tendinitis
A) is the result of the inflammation of the connective tissue surrounding a tendon. B) is the result of a torn tendon. C) occurs as a result of prolonged, involuntary, and painful muscular contractions. D) results from an imbalance in the strength of two muscle groups in the same region. E) None of the answers are correct.
Select the first step for synaptic signaling when the action potential arrives at the axon terminal of a presynaptic neuron
a. A neurotransmitter is released by exocytosis. b. Calcium flows into the synaptic knob. c. The neurotransmitter combines with a protein receptor on the subsynaptic membrane. d. The permeability is altered in a postsynaptic neuron. e. The axon terminal depolarizes.
The pulse felt by palpating the temple just anterior to the auricle is coming from the ________ artery
A) superficial temporal B) maxillary C) external carotid D) facial
Of these — carbohydrates, lipids, or proteins — which releases the greatest amount of energy per gram during catabolism?
A) carbohydrates B) lipids C) proteins D) carbohydrates, lipids, and proteins all release the same amount of energy