(A) Vitamin C does not directly affect clotting. (B) Vitamin K is a fat-soluble vitamin that depends on liver function for absorption. Vitamin K is essential for clotting. (C) Vitamin E does not directly affect clotting. (D) Vitamin A does not directly affect clotting.

Section: Questions Set F
Explanation:
(A) Decongestants may exaggerate the nasal stuffiness associated with pregnancy. Judicious use of decongestants and nasal sprays is advocated during pregnancy. (B) Cool air vaporizers and saline drops may help to relieve the nasal stuffiness. Positioning on either lateral side does not decrease nasal stuffiness or prevent epistaxis. (C) Increased estrogen levels result in nasal mucosa edema with subsequent nasal stuffiness. Estrogen also promotes vasodilation, which contributes to epistaxis. The nurse may recommend cool air vaporizers and saline drops to help with the nasal stuffiness. (D) Increased estrogen levels result in nasal mucosa edema with subsequent nasal stuffiness. Estrogen also promotes vasodilation discomforts associated with pregnancy.

Explanation/Reference:
Explanation:
(A) Although tumor size is a factor in classification of cancer growth, it is not an indicator of lymph node spread. (B) Axillary node status is the most important indicator for predicting how far the cancer has spread. If the lymph nodes are positive for cancer cells, the prognosis is poorer. (C) The client's previous history of cancer puts her at an increased risk for breast cancer recurrence, especially if the cancer occurred in the other breast. It does not predict prognosis, however. (D) The estrogen-progesterone assay test is used to identify present tumors being fedfrom an estrogen site within the body. Some breast cancers grow rapidly as long as there is an estrogen supply such as from the ovaries. The estrogen-progesterone assay test does not indicate the prognosis.

Explanation/Reference:
Explanation:
(A) This activity is too competitive, and the manic client might become abusive toward the other clients. (B) During mania, the client's attention span is too short to accomplish this task. (C) This activity uses gross motor skills, eases tension, and expands excess energy. A staff member is better equipped to interact therapeutically with clients. (D) This activity requires the use of fine motor skills and is very tedious.

Explanation
(A) Bromocriptine inhibits the secretion of prolactin. (B) Hypotension is a side effect of this drug; hypertension is not. (C) Bromocriptine is generally taken for 14 days. (D) The administration of bromocriptine is delayed at least 4 hours postpartum and given only when the client's blood pressure is stable, because it can cause hypotension and syncope.