Concepts of Cellular Regulation EAQ

Which disease is caused by the deficiency of antidiuretic hormone? a. Acromegaly b. Diabetes insipidus c. Cushing's syndrome d. Syndrome of inappropriate antidiuretic hormone

Answer: B: Diabetes insipidus is caused by the deficiency of antidiuretic hormone. Syndrome of inappropriate antidiuretic hormone is caused by an increased production of antidiuretic hormone.

Which teratogenic effect is seen due to Lithium? a. Stillbirth b. Shortened limbs c. Ebstein anomaly Neural tube defects

Answer: C: Ebstein anomaly (cardiac defects) in the newborn occurs due to taking lithium during pregnancy

Which statement is true regarding the function of kidney hormones? a. Prostaglandin increases blood flow and vascular permeability b. Bradykinin regulates intrarenal blood flow via vasodilation or vasoconstriction c. Renin raises blood pressure because of angiotensin and aldosterone secretion. d. Erythropoietin promotes the absorption of calcium in the gastrointestinal tract.

Answer: C: Renin is a kidney hormone that raises blood pressure as a result of angiotensin and aldosterone secretion

Which hypothalamic hormone helps to treat postpartum uterine atony and hemorrhage? a. Oxytocin b. Indomethacin c. Dinoprostone d. Methylergonovine

Answer: Oxytocin is a hypothalamic secretory hormone that helps to treat postpartum uterine atony and hemorrhage.

Which organ has only beta 1 receptors? a. Liver b. Heart c. Bladder d. Pancreas

Answer: The heart has only beta 1 receptors, which increase heart rate and contractility.

1. Which gland does the nurse state is an exocrine gland? a. Thyroid gland b. salivary gland c. pituitary gland d. parathyroid gland

answer: B: Exocrine glands are glands with ducts that produce enzymes but not hormones. These glands secrete enzymes into ducts. The salivary glands secreting saliva is an example of an exocrine gland.

What is the definition of a tocolytic? a. A That cause harmful effects to the fetus b. a drug that inhibits labor an maintains a pregnancy c. a drug that induces abortion when taken during pregnancy d. a drug that stimulates uterine contractions during pregnancy

answer: B: tocolytics are drugs used to inhibit labor and maintain a pregnancy

Which hormone secretion does the nurse state as an example of a positive feedback mechanism? a. Insulin b. Estradiol c. Parathormone d. Catecholamines

Answer: B: Estradiol secretion pattern is an example of a positive feedback mechanism.

Which drug is used to induce abortion? a. Oxytocin b. Mifepristone c. Dinoprostone d. Indomethacin

Answer: B: Mifepristone is used to induce abortion.

Which surgery is used to treat excessive wrinkling or sagging of facial skin? a. Rhinoplasty b. Rhytidectomy c. Dermabrasion d. Blepharoplasty

Answer: B: Rhytidectomy is the removal of excess skin and tissue from the face, this is the surgery used to treat wrinkling or sagging of facial skin.

A client who had a choledochostomy to explore the common bile duct is returned to the surgical unit with a T-tube in place. What is the priority intervention when caring for this client? a. Irrigate the T-tube as necessary b. Protect the abdominal skin from bile drainage c. Have the client wear a binder when out of bed Empty the T-tube drainage bag every 2 hours

Answer: B: The enzymatic activity of bile can cause excoriation and skin breakdown; the skin should be protected.

A client is scheduled for an adrenalectomy. What does the nurse expect the plan of care will include? a. Low-protein diet b. Parenteral corticosteroids c. Preoperative 24 hours urine specimen d. Withholding all medication 48 hour before surgery

Answer: B: steroid therapy usually is given intravenously or intramuscularly preoperatively and continued intraoperatively to prepare for the acute adrenal insufficiency that follows surgery.

What is the source of an Integra Graft? a. Porcine skin b. Cadaveric skin c. Glycosaminoglycan bonded to silicone membrane d. Porcine collagen bonded to silicone membrane

Answer: C: glycosaminoglycan bonded to silicone membrane is the source of an Integra artificial skin graft.

A client is receiving combination chemotherapy for treatment of metastatic carcinoma. for which systemic side effects should the nurse monitor for the client? a. Ascites b. Nystagmus c. Leukopenia d. Polycythemia

Answer: C: leukopenia, is a reduction in white blood cells, is a systemic effect of chemotherapy as a result of myelosuppression.

Which situation is an indication for an oxytocin infusion? a. Hypertonic uterus b. Pelvic inflammatory disease c. Induction of labor at full term d. Cervical stenosis in a client who is in labor

Answer: C: oxytocin induces labor at full-term gestation, which stimulates uterine contractions and helps the women to have an easy delivery.

Which does the nurse understand related to negative pressure wound therapy? Select all that apply a. using a suction pump b. treating necrotizing infections c. administering oxygen under high pressure d. application of a low voltage current to a wound area e. reducing chronic ulcers by removing fluid from the wound

answer: A, E: In negative pressure wound therapy, a suction pump is used to treat the wounds. This therapy can reduce chronic ulcers by removing fluids from the wound.

A nurse teaches a client who has had a thyroidectomy for thyroid cancer to observe for signs of surgically induced hypothyroidism. What should be included in the teaching plan? Select all that apply a. dry skin b. lethargy c. insomnia d. tachycardia e. sensitivity to cold

answer: A,C,E: dry skin is a response to hypothyroidism that is related to the associated decreased metabolic rate

Which drug may cause Ebstein anomaly as a teratogenic effect and is also contraindicated in breast-feeding clients? a. Lithium b. Ibuprofen c. Vitamin a d. Nitrofurantoin

Answer: A: Lithium may cause Ebstein anomaly as a teratogenic effect.

Which drug can cause chemical burns? a. Anthralin b. Prednisone c. Tazarotene d. Calcipotriene

Answer: A: anthralin is a strong irritant that has an action similar to tar. So this drug can cause chemical burns with topical use.

Which antihypertensive drug is contraindicated in lactating women? a. Atenolol b. Labetalol c. Metoprolol d. Propranolol

Answer: A: atenolol is contraindicated in lactating women because it enters the breast milk and may cause adverse effects to the neonate.

Which catecholamine receptor is responsible for increased heart rate? a. Beta 1 receptors b. Beta 2 receptors c. Alpha 1 receptors d. Alpha 2 receptors

Answer: A: beta 1 receptors are responsible for increase heart rate

A client is admitted to the hospital with jaundice. After numerous diagnostic tests, the health care provider makes the diagnosis of cancer of the pancreas. What does the nurse conclude is the most likely cause of the client's jaundice? a. Necrosis of the parenchyma caused by the neoplasm b. Excessive serum bilirubin by red blood cell destruction c. Obstruction of the common bile duct by the pancreatic neoplasm d. Impaired liver function, resulting in incomplete bilirubin metabolism

Answer: C: The common bile duct passes through the head of the pancreas, it often is constricted or obstructed by the neoplasm, causing jaundice.

Which drug can be prescribed to a 30 week pregnant woman to promote maturity of the lungs in the fetus? a. Methylergonovine b. Clomiphene c. Dinoprostone d. Betamethasone

Answer: D: Betamethasone may be prescribed to promote lung maturity in a fetus during the gestation period of 24-34 weeks.

Which cells does the nurse identify as producing thyrocalcitonin hormone? a. Isle cells b. Adrenal cells c. Pituitary cells d. Parafollicular cells

Answer: D: Parafollicular cells produce thyrocalcitonin hormone. This hormone helps in the regulation of serum calcium levels. Islet cells are responsible for the production of hormones such as insulin and glucagon.

A client is diagnosed as having invasive cancer of the bladder, and brachytherapy is scheduled. What should the nurse expect the client to demonstrate that indicates success of this therapy? a. Decrease in urine output b. increase in pulse strength c. shrinking of tumor on scanning d. increase in the quality of white blood cells

answer: C: Brachytherapy in which isotope seeds are implanted in the tumor, interferes with cell multiplication, which should control the growth and metastasis of cancerous tumors.