Blog

Which of the following is a part of the appendicular skeleton?

Across the United States, about 1 in 2950 babies are diagnosed with cystic fibrosis (CF) at birth. The C allele is dominant over c, and homozygous recessive individuals (cc) have the disease.  Calculate the frequency of the Cc (heterozygous) genotype.

Photoreceptor cells used in color vision:

A 50-year-old woman presents to the ED with generalized fatigue and weakness and easy bruising.  She reports that she has recently gained appx. 20 pounds.  On exam she is noted to have thinning of her skin and purple stretch marks on her abdomen. Laboratory studies are revealing for Fasting glucose: 130 mg/dL (normal 70-90) Serum potassium: 3.2 mEq/L (normal 3.5-5.0) WBC: 14.8 x10^9/L (normal 4.5-11) With which of the following diagnoses is her presentation most consistent with?

A group of muscle cells innervated by a single neuron is called a:

Striated and involuntary muscle tissue, with intercalated discs:

Making a circle or cone shape with a bone:

Arrector pili are muscles best associated with:

Virulence factors of S. pyogenes include _______.

The less movable, usually proximal end of attachment of a muscle to a bone.