Correct Answer: D

Rationale: Nodules are a characteristic finding in an inflammatory joint condition such as rheumatoid arthritis. Nodules are small, firm lumps that can develop near the affected joint and are often indicative of an underlying inflammatory process. Tenderness, cool temperature, and ecchymosis can be seen in various musculoskeletal conditions, but nodules specifically point towards an inflammatory process in the joint.

Correct Answer: B

Rationale: A condylar joint is a type of synovial joint that allows movement in two planes, typically flexion/extension and abduction/adduction. The interphalangeal joints of the hand, which are the joints between the phalanges (finger bones), exhibit this type of movement, making them an example of a condylar joint. The hip joint (choice A) is a ball-and-socket joint, the temporomandibular joint (choice C) is a hinge joint, and the intervertebral joint (choice D) is a cartilaginous joint, none of which are examples of condylar joints.

Correct Answer: A

Rationale: A splenic rub is a friction rub heard on auscultation in the left upper quadrant of the abdomen, typically in patients with an enlarged spleen. The rough grating noise heard during examination is due to the rubbing together of the inflamed or irritated peritoneal surfaces surrounding the spleen. This is a classic finding in patients with splenomegaly and is often associated with left upper quadrant pain. Bowel noises (borborygmi) are typically heard in the abdomen and are softer, gurgling, or rumbling in nature. Vascular noises are related to blood flow and are typically not associated with such sounds in the abdomen.

Correct Answer: C

Rationale: The characteristics described - being louder and higher in pitch, with a short silence between inspiration and expiration, and expiration being longer than inspiration - are indicative of the bronchial lung sound. The bronchial sound is typically heard over the trachea area and can be louder and higher-pitched than other lung sounds due to conduction of sounds through the bronchial tree. The short silence between inspiration and expiration is due to the short expiratory phase during which air rushes out quickly, whereas expiration is longer than inspiration in this sound due to the increased airflow velocity during expiration.

Correct Answer: A

Rationale: When a patient presents with epistaxis (nosebleed), other causes such as intracranial hemorrhage should be considered. Intracranial hemorrhage refers to bleeding within the skull, which can sometimes manifest as epistaxis. Common symptoms of intracranial hemorrhage include severe headache, altered mental status, focal neurological deficits, and sometimes, epistaxis. It is essential to assess for signs of increased intracranial pressure or neurological deficits if a patient with epistaxis has a history of trauma or other risk factors for intracranial bleeding. Immediate medical evaluation and imaging studies may be necessary to rule out intracranial hemorrhage in such cases to prevent serious consequences.