87. A 58-year-old man who is a construction worker comes to the office because of a 1-week history of pain on the right side of his head. One week ago, he says he struck his head on a beam while carrying drywall to the second floor of a house under construction. He has had dry mouth, excessive thirst, and increased urinary frequency during this period. His puise is 120 min, respirations are 25/min, and blood pressure is 120/65 mm Hg. Physical examination shows dry mouth and decreased skin turgor. Urine osmolality is 196 mOsmol/kg HD (287) An MR the brain shows a hyperintense signal consistent with hemorrhage of the posterior pituitary gland. This patient most likely has decreased renal reabsorption of which of the following? A) Chloride ions B) Magnesium ions C) Potassium ions D) Sodium ions OE) Water

41. An 18-year-old female college freshman comes to the health center because of a 3-month history of fatigue and intermittent headaches. She also has had an unintentional weight loss of 4 kg (9 lb) during the past 6 weeks and difficulty concentrating on her schoolwork. She moved from her home to a campus dormitory 5 months ago. She was an avid tennis player but says she has not played since school began because she has no energy and has lost interest in sports. She notes that she recently broke off her long- distance relationship with her boyfriend back home. She tearfully says she feels lonely and is frustrated with her performance on final examinations. She occasionally drinks alcoholic beverages "to help with sleep." She does not use illicit drugs. She appears thin and has a sad affect. Physical examination shows no abnormalities. Which of the following is the most appropriate initial response by the physician? A) "Although this is a difficult time for many, I'm concerned that…

z mark 62. A 63-year-old woman is found to have an aneurysm of the aortic arch that is compressing the left recurent lay eve he problem? OA) Complete closure of the rima glottidis B) Deviation of the uvula to the right C) Inability to abduct the vocal fold on the left D) Loss of sensation on the vestibule of the larynx E) Paralysis of the left cricothyroid muscle

All of the statements are true except A)Decreasing levels of oxygen in the blood are detected by chemoreceptors in the kidney. B)As a person's activity level increases, the level of CO2 in the blood increases and stimulates faster breathing. C)Chemoreceptors involved in the control of breathing are located in the brainstem and the carotid and aortic bodies. D)Breathing is controlled by both voluntary and involuntary mechanisms.

ection Section 2 133 of 145 133. Which of the following patterns of oxygen saturation most likely represents those obtained from a normal fetus (1 representing the highest saturation and 4 representing the lowest saturation)? A) OB) OC) OD) OE) Umbilical Vein 1 Inferior Vena Cava at the Diaphragm 2 2 3 Superior Vena Cava 3 2 4 2 Left Atrium 4 3 3 3 2

Thirty-six-year-old Mr. Clark keeps his appointment for a physical examination. He presents with subtle symptoms of fatigue and concern about his weight gain of 14 pounds in the last year. Friends and family have told him that his color looks “funny” (bronze-tinted) and have noticed that his face and hands look puffy. He admits to feeling depressed and is worried about missing too much work over the past several months because of “being sick a lot.” He states that he has less interest in having marital relations with his wife.   According to Mr. Clark’s history he is a fragile asthmatic since adolescence and takes lots of medication to control his asthma, including prednisone and a steroid inhaler. Upon physical examination Mr. Clark exhibits the following: moderate muscle weakness, noticeable weight gain, particularly around the abdominal area which is striated. Fat pads are noted in the posterior neck and back (known as buffalo humps). His face is abnormally rounded, a condition…

A patient with chronic obstructive pulmonary disease (COPD) is prescribed oxygen therapy. Which oxygen delivery device is most appropriate for a COPD patient with chronic hypoxemia? a) Nasal cannula b) Venturi mask c) Non-rebreather mask d) Simple face mask

Your partner is ventilating you non-intubated, 1 year old at a rate of 60 times per minute. Which of the following is most likely to occur? A) Gastric distension B) Respiratory alkalosis C) APpropriate ventilations D) Hyperventilation syndrome

56. A 70-year-old man is brought to the emergency department because of severe shortness of breath for 4 hours. He has had fatigue for 6 months and moderate shortness of breath for 2 weeks. On arrival, he is pale and diaphoretic and is seated straight upright on the stretcher. His respirations are 30/min, and blood pressure is 110/90 mm Hg. Inspiratory moist crackles are heard over the posterior lower half of the lung fields. There is mild pedal edema. An increase in which of the following is the most likely cause of this patient's dyspnea? ↑P₂ OA) Capillary diffusion coefficient B) Capillary hydrostatic pressure OC) Capillary oncotic pressure D) Interstitial hydrostatic pressure E) Interstitial oncotic pressure

46. You are called to assess and treat a patient who has suffered a deep, penetrating wound to the central chest and is complaining of difficult and painful swallowing, pleuritic chest pain, and pain radiating to the mid back. Which of the following treatment options would be contraindicated for this patient? A: Intubation. B: Combitube. C: Fluid resuscitation. D: Positive pressure ventilation.