Block5 Neuroanatomy Flashcards
Ulnar claw is seen when a patient is asked to do what action with their fingers?
straighten their fingers, they cannot abduct or adduct their fingers, ulnar nerve
Sign of Benediction is seen with what action?
Patient makes a fist, median nerve
What nerve is bad if the patient has weakness in flexion, supination of forearm?
Musculocutaneous nerve palsy
Flat shoulder deformity is due to what nerve being cut? the deltoid muscle is bad
axillary nerve palsy
A woman comes in after having high levels of exposure to radiotherapy for breast cancer, has initial paresthesia in hand progressing to all lower plexus structures, what syndrome is this?
Radiation plexopathy syndrome (C6-T1)
Ulnar nerve innervates all intrinsic muscles of the hand except what?
Thenar muscles
What dermatomes are seen with an abdominal aneurysm for lesions?
Upper Plexus lesions (L1-L4)
hysterectomy, lumbar sympathectomy, and total open prostatectomy are what of lesions?
lower plexus lesions (L5-S3)
Trauma to the head of the fibula produces what?
foot drop
Loss of adductor reflex is what nerve palsy?
Obturator nerve palsy
What nerve palsy is loss of knee flexion, sensory loss of outer aspect of leg, loss of ankle reflex?
Sciatic nerve palsy
If a patient cannot stand on their tip toes, loss of sensory on the sole of the foot?
Posterior Tibial Nerve
Anterior sciatica syndrome is acute pain radiating along the anterior aspect of the thigh to the anterior leg, due to what radiculopathy?
L3-L4
Posterior Sciatica Syndrome is acute pain radiating along the posterior thing and posterolateral aspect of leg, due to what radiculopathy?
S1 or L5
What dermatome line runs from lateral leg to the big toe?
L5
What drug causes the least amount of problems with antihypertension?
ACE inhibitiors
What percentage of adolescents use condoms?
57%
What is the most common reported STD, followed in 2nd place by what?
Chylamidia
Gonorrhea
What sexual disorder is greater than 6 months, less than 13 years old, sexually aroused? Ego-syntonic
Pedophillia
What is flashing genitals syndrome, non consenting person, act on these urges?
Exhibitionist disorder
What is “Peeping Tom”, sexually aroused, looked at as fantasies, ruges, and behaviors?
Voyeruristic disorder
What is sexual pleasure from pain, non consenting person, have fantasies, did not choose to participate?
Sexual Sadism Disorder
What is humiliated, beaten, bonded, made to suffer, sexual actions?
Sexual Masochism Disorder
What is Asphyxiophillia?
Chocking someone during sexual activity
What is a sexual disorder where the person is sexually aroused by inanimate objects?
Sexual Fetish Disorders
What is sexual arousal from cross dressing, fantasy, fetishism, fabrics, materials or garmets?
Transvestic Disorder
What is sexually aroused by thoughts as a female?
Autogynephilia
What is grabbing random people on the Subway?
Frofteuristic Disorder
What is sexual arousal via animals?
What is Sex plus defectation?
Zoophilia
Coprophilia
What is sex plus urination?
What is sex with cadavers?
Urophilia
Necrophilia
What is muscle constriction during vaginal intercourse, hegar dilators, prevents penile insertion?
Vaginismus
What are alprostadil and phentolamine used for in combination?
Vasodilators for sexual dysfunction
Alprostadil is used for intracavernosal injections
MUSE is a what?
Medicated Urethral System for erections, involves the formulation of alprostadil (PGE1) into a small intraurethral suppository into the urethra
What are the number of ppl tired same sex experience one time?
30-40% of ppl
What are two opiod antagonists and vasodilators that are used to treat erectile disorder?
Naltrexone and yohimbine
Dyspareunia is what?
Recurrent and persistent pain before, during or after intercourse in either man or woman
What is the most common sexually transmitted infection in the USA?
HPV
One in five americans has what virus?
HSV-2
Average age that adolescents have first sexual experience?
16 years old
What drug can increase an erection and libido?
Dopamine
What hormone is made by men and women that is responsible for sex drive?
Testosterone made from the adrenal glands
What disease is that people feel like they are in the wrong body?
Gender Dysphoria, despite what their body has between their legs
When a child has genitalia of genetic females, are masculinized and the child may be visually identified as a male is what problem?
excessive adrenal androgen secretion
What is an XY genotype and testes that secrete androgen, leaves a female habitus (physique or body build)?
Androgen insensitivity syndrome
What age is a child that looks up to sound, smiles because he sees both his parents, one on either side of the mideline?
2 months
What age is a baby rolling and laughing, cooing because he just discovered midline and is reaching for cake that he will cram into his mouth?
4 months
What age is sitting up on a sidewalk transferring a rake from hand to hand while babbling at people he might recognize?
6 months
What crawls to window, pulls to stand to see out, points at a stranger in the yard says “mama” to get attention of parents?
9 months
What age is walking at you, snapping pincers, repeating one word over and over, and just wants to play pat-a-cake and peek-a-boo before waving bye bye?
12 months
What age is walks confidently to the blocks and imitates making a 2 block tower?
15 months
What age do we need to get a note to Rapunzel so they scribble a note on paper to throw into a 4 block high tower. They use a catapult, shove spoon into cup and throws into note?
18 months
What age does a mom give two commands to twin boys to run to be the stairs, then walk up the 25 steps, dont help each other?
24 months - 2 years old
What age does child jump into a 3-piece suit, stand in front of a mirror and say full names, jumps on tricycle?
3 years old
What age do we really want story time, so we run up the stairs, hope on one foot to change into pajamas, so a story can be read together?
4 years old
What age do we really want to skip down the street to copy a square, brush our teeth, tie our shoes at our friends house?
5 years old
What artery may be affected in dissecting aneurysm of AA?
Artery of Adamkiewicz, similar to conus medullaris and transverse myelitis
What artery is implicated in Baliants tumor along with PCA, known for contralateral motor and sensory?
Anterior Cerebral Artery
Upper limb and trunk motor and sensory issues, superior and inferior optic radiation?
Middle Cerebral Artery
The corpus callosum interconnects between two the two hemispheres, what two areas do not use the corpus callosum?
Not hand area of S1 and M1, and area 17
What broadman area is Alexia with agraphia?
Angular gyrus (Area 39)
What part of the brain can cause dysphoria and a lack of music/visual abilities?
Temporal Lobe
What area is Wernicke’s area? (Broadman Numbers)
22,39,40
What is dorsal stream problems, optic ataxia, ocular apraxia, simultanagnoisa?
Balint’s Syndrome
Lesion in area 20 and 21 with the fusiform gyrus are what disease?
Prosopagnosia
What is the inability to carry out a simple motor, “act like you are brushing your teeth”?
Where are the lesions in the brain?
Ideomotor
Premotor and Supplementary motor areas 6 of the dominant hemisphere
What is the inability to create a plan for or idea of a specific movement? (“pick up the pen and write your name”)
Ideational
What number is the Broca’s area Brodmann numbers?
44 and 45
What connects Wernicke and Broca’s area?
arcuate fasciculus
When there is command to move the left arm, the patient can and cannot move which side due to transcortical apraxia?
Can move right
Cannot move left side
Non dominant Broca’s and Wernicke’s Area do different jobs like what?
prosody
