Ms. Wright comes to your office, complaining of palpitations. While checking her pulse you notice an irregular rhythm. When you listen to her heart, every fourth beat sounds different. It sounds like a triplet rather than the usual "lub dup." How would you document your examination?

Correct Answer: C

Rationale: The correct answer is C: Regularly irregular rhythm. This is the appropriate documentation for Ms. Wright's presentation as her pulse demonstrates a pattern of irregularity with every fourth beat sounding different. This indicates a regularly irregular rhythm, where there is a discernible pattern to the irregularity. Rationale: 1. Regular rate and rhythm (Choice A) is incorrect as Ms. Wright's palpitations and the irregularity in her pulse indicate an irregular rhythm. 2. Irregularly irregular rhythm (Choice B) is incorrect as this term is used to describe arrhythmias like atrial fibrillation, which do not have a discernible pattern of irregularity. 3. Bradycardia (Choice D) is incorrect as it refers to a slow heart rate, which is not the primary concern in this scenario where the focus is on the irregular rhythm. In summary, the correct choice (C) accurately describes the specific irregular pattern observed in Ms. Wright's pulse, distinguishing it from

Correct Answer: B

Rationale: The correct answer is B: A sebaceous cyst. A sebaceous cyst typically presents as a lump underneath the skin that can be squeezed to release a cheesy substance, consistent with Jacob's description. The formation of a prominent dimple when gently pinched is characteristic of a cyst, indicating it is filled with fluid or semi-solid material. Sebaceous cysts are usually benign and can grow slowly over time. Incorrect choices: A: An enlarged lymph node - Unlikely as lymph nodes are typically not associated with cheesy discharge or the formation of a dimple when pinched. C: An actinic keratosis - Unlikely as actinic keratosis is a precancerous skin condition caused by sun exposure, not presenting with cheesy discharge or a dimple. D: A malignant lesion - Unlikely as malignant lesions usually do not produce cheesy discharge and are more aggressive in growth compared to a sebaceous cyst.

Correct Answer: B

Rationale: The correct answer is B: Exophthalmos. Exophthalmos refers to protrusion of the eyeball, which is a hallmark sign of thyroid eye disease. This condition commonly presents with forward bulging of one or both eyes due to inflammation and swelling of the eye muscles and tissues behind the eye. It is often associated with hyperthyroidism. A: Ptosis is drooping of the upper eyelid, not protrusion of the eyeball. C: Ectropion is an outward turning of the eyelid, not protrusion of the eyeball. D: Epicanthus is a vertical fold of skin on the upper eyelid near the nose, not protrusion of the eyeball.

Correct Answer: A

Rationale: The correct answer is A: The fovea. The fovea is the central focal point for incoming images because it contains a high concentration of cones, which are responsible for detailed central vision. Cones are essential for color vision and visual acuity. The macula, while important for central vision, refers to the area surrounding the fovea. The optic disk is where the optic nerve exits the eye, and it does not receive incoming images. The physiologic cup is a normal depression in the optic nerve head and is not involved in image reception. In conclusion, the fovea is the correct answer as it is the area with the highest visual acuity due to the dense concentration of cones.

Correct Answer: B

Rationale: The correct answer is B: Lymph node. A mobile mass that is palpable and moves in multiple directions is characteristic of a lymph node. Lymph nodes are small, bean-shaped structures that are part of the immune system and can move freely when touched. Incorrect choices: A: Cancer - A cancerous mass would typically be fixed and not mobile. C: Deep scar - Scars are usually fixed and do not move when touched. D: Muscle - Muscles are usually deeper in the body and not typically palpable as a mobile mass.