The enzyme, which exists chiefly in skeletal muscle, heart, and brain, is grossly elevated in active muscular dystrophy, and rises early in myocardial infarction is:

A cardiac marker that increases progressively with increasing severity of disease and is not increased (or decreased) in conditions that mimic congestive heart failure is:

An overweight 55-year-old single woman from a rural farming area was brought to the emergency department by her neighbor. The woman had a large abscess on the bottom of her foot; she was irritable and complained of blurred vision and of being thirsty. Her breathing was rapid. The neighbor said that the only medication the woman was using was for blood pressure and sometimes an aspirin. Blood and urine samples were collected. Arterial blood gas results were: pH 7.2; PCO2 45 mm Hg; HCO3- 8 mmol/L. Blood glucose was 340 mg/dL and a high anion gap was calculated. Urine glucose and ketones were markedly increased. Based on the laboratory values, what state of acid-base balance is this patient in?

Which of the following does  not describe the function(s) of the skeletal system?

An isotonic contraction will make a muscle cell shorten or elongate when it contracts.

A small version of a proposed study or trial run is called a ________.

Which of the following statements is TRUE regarding public health response to MDROs?  (Select the option that lists all of the true statements). I. Colonization screening is recommended by the CDC as an essential component of the public health responses when an emerging MDRO is identified. II. In some circumstances, colonization screening might be recommended for community settings. III.  Colonization screening provides laboratory confirmation for patients with suspected MDRO infections. IV. Long-term acute care facilities or ventilator units of skilled nursing facilities should be considered high risk for the presence of MDROs once a minimum of 1 patient per 10 resident beds tests positive.

Which of the following is the threshold potential of a general neuron?

A group of cells performing a specific function is an example of the ___________ level of biological organization. 

Which type of water is denser (more molecules packed in)?  Liquid water or solid water (ice)?