Answer This Short case .

In a 61-year-old man with blood pressure reading of about 155/100 mmHg and elevated plasma renin activity,treatment with which of the following drugs would reduce blood pressure but further increase plasma renin activity ?
a-atenolol
b-clonidine
c-enalapril
d-guanethidina
e-methyldopa

Answer This short medical case

A 60-year-old man suddenly becomes completely blind in one eye and angiography demonstrates occlusion of the central retinal artery.Which of the following is the most likely cause of occlusion ?
A_atheroma or embolism
B_cranial (temporal)arteritis
C_hypertension
D_polycythemia vera
E_tumor

Answer This short case .

A 6-month-old child has an eye surgically enucleated because it contains a retinoblastoma.To which of the following structures should the pathologist pay particular attention when evaluating the specimen?

• A_anterior chamber.
• B_cornea
• C_Lens .
• D_Optic nerve .
• E_vitreous

6-Month-Old-Child-case

Answer This medical short case

A 5-year-old boy , hospitalized for cellulitis,exhibits global denudation of the skin resulting from splitting of the epidermis at the stratum granulosum. which of the following is the most likely diagnosis?

• a_Impetigo
• b_melasma
• c_scalded skin syndrome 
• d_tinea corporis
• e_vitiligo

Answer This Short case .

A 46-year-old woman presents to her physician complaining of weakness and fatigue .on physical examination her physician notices a 10-lb-weight gain since her last visit 6 months ago.Her blood presssure is 160/100 mm Hg.Blood tests reveal serum No+155mEq/L,k+ 2,8mEq/L,and decreased serum renin .Which of the following is the most likely diagnosis?

• A_cushing syndrome .
• B_Diabetes mellitus.
• C_pheochromocytoma .
• D_primary aldosteronism.
• E_secondary aldosteronism .

Short case study .

A64-year-old woman with a recent myocardial infarction develops cerebral edema and increased intracrianial preesure after falling and hitting her head on the side of the bathtub.if mannitol is infused to decrease the cerebral edema ,which of the following is the moest likely adverse effect of mannitol?

• a.hypertension
• b.hypokalemia
• c.hyponatremia
• d.premature ventricular contractions
• e.pulmonary edema 

hypertension

A 63-year-old obese woman with renal disease and type 2 diabetes mellitus is treated for hypertension with a drug that blocks both alpha - and beta- adrenoceptors . This drug is:
Choose one answer. a. acebutolol

• b. atenolol
• c. carvedilol
• d. doxazosin
• e. pindolol

56-year-old woman

56-year-old woman with chronic, stable angina and a previous myocardial infarction is treated with an oral drug that reduces the inward flow of calcium , thereby decreasing excitation-contraction coupling in the heart and vasculature resulting in dilation of coronary and systemic arteries and improving oxygen delivery to myocardial tissue. This patient is most likely treated with which of the following drugs?
Choose one answer. a. bisoprolol
b. diltiazem 
c. nadolol
d. hydralazine
e. nitroglycerin