Drugs that block the beta-one adrenergic receptors will A) ...

[cmoore54]

Drugs that block the beta-one adrenergic receptors will
 A) increase heart rate.
  B) decrease heart rate.
  C) increase contractility.
  D) increase cardiac output.
  E) decrease the end-systolic volume.

Question 2

Contraction of the dartos muscle
 A) tightens the scrotum.
  B) produces an erection.
  C) propels sperm through the urethra.
  D) moves sperm through the ductus deferens.
  E) initiates seminal emission.

[mariahkathleeen]

Answer to Question 1

B

Answer to Question 2

A

[cmoore54]

Excellent

[alvinum]

Great answer, keep it coming