Which of the Following Events Occurs in an Erection

question 13

Multiple Choice

Which of the following events occurs in an erection?

• A) Vasoconstriction of arteries leading to erectile tissue of penis
• B) Engorgement of erectile tissue of penis with blood
• C) Dilation of venules leading from erectile tissue of penis
• D) Relaxation of internal sphincter of urinary bladder
• E) Decrease of blood flow to the penis

---

Definitions:

Prophase

Stage of mitosis during which chromosomes condense and become attached to a newly forming spindle.

Checkpoint Protein

Proteins in the cell cycle that act as sensors to check for errors, ensuring that cell division proceeds correctly.

S Stage

The phase of the cell cycle in which DNA synthesis occurs, resulting in the replication of chromosomes.

Adhesion Proteins

Proteins involved in the binding of a cell to another cell or to the extracellular matrix, playing critical roles in cell signaling and structure.