diff --git a/resources/js/Components/RadioButtonGroup.vue b/resources/js/Components/RadioButtonGroup.vue
index a1931bd..bf8b96a 100644
--- a/resources/js/Components/RadioButtonGroup.vue
+++ b/resources/js/Components/RadioButtonGroup.vue
@@ -18,15 +18,41 @@ const props = defineProps({
     type: Boolean,
     default: false,
   },
+  // Array of option values that should be individually disabled.
+  // An already-selected option is never disabled via this prop.
+  disabledOptions: {
+    type: Array,
+    default: () => [],
+  },
+  // Tooltip text shown when hovering over a disabled option.
+  disabledTooltip: {
+    type: String,
+    default: '',
+  },
 })
 
 const emit = defineEmits(['update:modelValue'])
 
+/**
+ * Returns true when an option should be treated as disabled.
+ * An option that is already selected (checked) is never individually disabled
+ * via disabledOptions — it remains selectable so the user can keep it.
+ */
+const isOptionDisabled = (value) => {
+  if (props.disabled) return true
+  if (props.modelValue === value) return false
+  return props.disabledOptions.includes(value)
+}
+
 const handleChange = (value) => {
+  // Safety guard: do not emit for disabled options
+  if (isOptionDisabled(value)) return
   emit('update:modelValue', value)
 }
 
-const getSegmentClasses = (index) => {
+const getSegmentClasses = (option, index) => {
+  const optionDisabled = isOptionDisabled(option.value)
+
   const classes = [
     'inline-flex',
     'items-center',
@@ -40,11 +66,6 @@ const getSegmentClasses = (index) => {
     'duration-200',
     'bg-white/5',
     'text-gray-400',
-    'cursor-pointer',
-    'hover:bg-white/10',
-    'hover:text-gray-200',
-    'peer-checked:hover:bg-primary-dark',
-    'peer-checked:hover:text-gray-900',
     'peer-checked:bg-primary',
     'peer-checked:text-gray-900',
     'peer-checked:font-semibold',
@@ -54,16 +75,25 @@ const getSegmentClasses = (index) => {
     'peer-focus-visible:ring-offset-surface',
   ]
 
+  if (optionDisabled) {
+    // Disabled: visually subtle, no pointer, no hover effects
+    classes.push('opacity-35', 'cursor-not-allowed')
+  } else {
+    // Enabled: pointer cursor and hover effects
+    classes.push(
+      'cursor-pointer',
+      'hover:bg-white/10',
+      'hover:text-gray-200',
+      'peer-checked:hover:bg-primary-dark',
+      'peer-checked:hover:text-gray-900',
+    )
+  }
+
   // All except last: add divider
   if (index < props.options.length - 1) {
     classes.push('border-r', 'border-white/10')
   }
 
-  // Disabled state
-  if (props.disabled) {
-    classes.push('disabled:opacity-50', 'disabled:cursor-not-allowed')
-  }
-
   return classes.join(' ')
 }
 </script>
@@ -80,12 +110,12 @@ const getSegmentClasses = (index) => {
                 :name="name"
                 :value="option.value"
                 :checked="modelValue === option.value"
-                :disabled="disabled"
+                :disabled="isOptionDisabled(option.value)"
                 :data-cy="option.value === 'not_applicable' ? 'na' : option.value"
                 @change="handleChange(option.value)"
                 class="sr-only peer"
             />
-            <span :class="getSegmentClasses(index)">
+            <span :class="getSegmentClasses(option, index)" :title="isOptionDisabled(option.value) ? disabledTooltip : ''">
                 {{ option.label }}
             </span>
         </label>
diff --git a/resources/js/Pages/Screening/Show.vue b/resources/js/Pages/Screening/Show.vue
index c1a44f8..427599a 100644
--- a/resources/js/Pages/Screening/Show.vue
+++ b/resources/js/Pages/Screening/Show.vue
@@ -2,12 +2,15 @@
 import { computed, onMounted, onUnmounted, ref, watch } from 'vue'
 import { Head, useForm } from '@inertiajs/vue3'
 import { ArrowLeftIcon } from '@heroicons/vue/24/outline'
+import { ExclamationTriangleIcon } from '@heroicons/vue/20/solid'
 import AppLayout from '@/Layouts/AppLayout.vue'
 import AppButton from '@/Components/AppButton.vue'
 import RadioButtonGroup from '@/Components/RadioButtonGroup.vue'
 
 defineOptions({ layout: AppLayout })
 
+const MAX_MAYBE_ANSWERS = 8
+
 const props = defineProps({
   screening: {
     type: Object,
@@ -49,6 +52,14 @@ const allAnswered = computed(() => {
   return Object.values(form.answers).every(v => v !== null)
 })
 
+const unknownCount = computed(() => {
+  return Object.values(form.answers).filter(v => v === 'unknown').length
+})
+
+const maybeLimitReached = computed(() => {
+  return unknownCount.value >= MAX_MAYBE_ANSWERS
+})
+
 const bottomBackButtonRef = ref(null)
 const showStickyBack = ref(false)
 
@@ -92,6 +103,11 @@ onUnmounted(() => {
         <h1 class="text-3xl font-bold text-white mb-2">Pre-Screening Questions</h1>
         <p class="text-gray-400 mb-8">Please answer all questions to proceed.</p>
 
+        <p v-if="maybeLimitReached" class="text-amber-400/80 text-sm mb-6 flex items-center gap-2">
+            <ExclamationTriangleIcon class="h-4 w-4 shrink-0" />
+            You've used all {{ MAX_MAYBE_ANSWERS }} "I don't know" answers. Please choose Yes or No for the remaining questions.
+        </p>
+
         <div class="space-y-4 mb-8">
             <div
                 v-for="(question, index) in questions"
@@ -111,6 +127,8 @@ onUnmounted(() => {
                                 { value: 'unknown', label: 'I don\'t know' },
                                 { value: 'no', label: 'No' },
                             ]"
+                            :disabled-options="maybeLimitReached && form.answers[index + 1] !== 'unknown' ? ['unknown'] : []"
+                            disabled-tooltip="You can only select &quot;I don't know&quot; for a maximum of 8 questions"
                         />
                         <p v-if="form.errors[`answers.${index + 1}`]" class="text-red-500 text-sm mt-1">
                             {{ form.errors[`answers.${index + 1}`] }}